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(70971) 1999 XL20

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(70971) 1999 XL20

Summary

(70971) 1999 XL20 is an asteroid[1].

Key Facts

  • (70971) 1999 XL20 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (70971) 1999 XL20's instance of is recorded as asteroid[3].
  • (70971) 1999 XL20's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (70971) 1999 XL20 followed (70970) 1999 XH20[5].
  • (70971) 1999 XL20 was followed by (70972) 1999 XM20[6].
  • (70971) 1999 XL20's minor planet group is recorded as asteroid belt[7].
  • (70971) 1999 XL20's parent astronomical body is recorded as Sun[8].
  • (70971) 1999 XL20's provisional designation is recorded as 2001 FF78[9].
  • (70971) 1999 XL20's provisional designation is recorded as 1999 XL20[10].
  • (70971) 1999 XL20's time of discovery or invention is recorded as December 5, 1999[11].
  • (70971) 1999 XL20's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1377418674789787'}[12].
  • (70971) 1999 XL20's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.16'}[13].
  • (70971) 1999 XL20's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+3.323679559112394'}[14].
  • (70971) 1999 XL20's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1354.07220395024'}[15].
  • (70971) 1999 XL20's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+93.37986521679672'}[16].
  • (70971) 1999 XL20's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.395312959314928'}[17].
  • (70971) 1999 XL20's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.725247839527566'}[18].
  • (70971) 1999 XL20's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.065378079102291'}[19].
  • (70971) 1999 XL20's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+25.43871753710635'}[20].
  • (70971) 1999 XL20's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+198.0778068535244'}[21].
  • (70971) 1999 XL20's epoch is recorded as October 17, 2024[22].
  • (70971) 1999 XL20's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2461209.539835951'}[23].

Body

Designation and Status

(70971) 1999 XL20's instance of is recorded as asteroid[3].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). (70971) 1999 XL20. Retrieved May 3, 2026, from https://4ort.xyz/entity/-70971-1999-xl20
MLA “(70971) 1999 XL20.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-70971-1999-xl20.
BibTeX @misc{4ortxyz_-70971-1999-xl20_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(70971) 1999 XL20}}, year = {2026}, url = {https://4ort.xyz/entity/-70971-1999-xl20}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (70971) 1999 XL20 — https://4ort.xyz/entity/-70971-1999-xl20 (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 28d ago · LiMrBot bot · 2026-05-14 view diff on Wikidata ↗
    Time of periapsis → {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount':
    Epoch → October 17, 2024
    Orbital inclination → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    Periapsis → {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 15.16"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.